5126, SA · Postcode

Demographics & Identity in 5126, SA

Who lives here — how many people, how old they are, and how communities identify.

Over half of the 7,406 people in postcode 5126 are married, reflecting a community where traditional family structures are common. The area is slightly younger than the state average, though it has seen a significant rise in the number of seniors over the last decade.

Open map →
📍 5126, SA, Postcode

Where 5126, SA sits — Total population

7,406 ▲ +2.6%
  • 1–2: 1 area
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–5: 2 areas
  • 5–8: 3 areas
  • 8–12: 2 areas
  • 12–19: 2 areas
  • 19–29: 12 areas
  • 29–44: 19 areas
  • 44–67: 35 areas
  • 67–102: 30 areas
  • 102–155: 70 areas
  • 155–237: 97 areas
  • 237–360: 129 areas
  • 360–549: 158 areas
  • 549–836: 168 areas
  • 836–1,273: 181 areas
  • 1,273–1,938: 179 areas
  • 1,938–2,951: 157 areas
  • 2,951–4,493: 179 areas
  • 4,493–6,842: 176 areas
  • 6,842–10,418: 210 areas
  • 10,418–15,865: 268 areas
  • 15,865–24,158: 254 areas
  • 24,158–36,786: 182 areas
  • 36,786–56,016: 93 areas
  • 56,016–85,299: 28 areas
  • 85,299–129,888: 8 areas

All postcode areas, 2021. The marker is 5126, SA — higher than 61% of areas.

Total population compared with the state and national average
5126, SA7,406
Tea Tree Gully 101,174
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 2.6% since 2011, adding about 189 people. The typical resident is now 40, which is a little younger than the South Australian figure of 41.

7,406 ▲ +2.6%

Higher than 61% of postcode areas.

  • 2011: 7,217
  • 2016: 7,180
  • 2021: 7,406

The number of people who usually live in the area, counted on Census night.

40 yrs ▲ +5.3%

Younger than 64% of postcode areas.

  • 2011: 38 yrs
  • 2016: 38 yrs
  • 2021: 40 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Children under 15 make up 18.3% of the population, which is higher than most similar areas. Meanwhile, the share of people aged 65 and over rose by 7.0 percentage points since 2011 to reach 18.9%.

18.9% ▲ +59.3%

Lower than 54% of postcode areas.

  • 2011: 11.8%
  • 2016: 15.8%
  • 2021: 18.9%

Share of the population aged 65 years and over.

18.3% ▼ -0.3%

Higher than 61% of postcode areas.

  • 2011: 18.3%
  • 2016: 19.3%
  • 2021: 18.3%

Share of the population aged under 15 years.

Age structure

View on map →

5126, SA splits fairly evenly between Young adults (25–44) (27%) and Older adults (45–64) (25%), with Seniors (65+) at 19%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 1.2% of the population, which is a little below the state and national figures. Around 12.5% of residents are in a de facto relationship, a figure that rose 1.8 percentage points since 2011.

1.2% ▲ +171.0%

Lower than 69% of postcode areas.

  • 2011: 0.4%
  • 2016: 1.0%
  • 2021: 1.2%

Share of people who identify as Aboriginal and/or Torres Strait Islander.

12.5% ▲ +17.0%

Higher than 51% of postcode areas.

  • 2011: 10.7%
  • 2016: 11.4%
  • 2021: 12.5%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

View on map →

In 5126, SA, Married is the majority at 51%; Never married is next at 33%.

Age & sex structure

  • 85+: 85+: 29 males; 85+: 50 females
  • 80–84: 80–84: 78 males; 80–84: 80 females
  • 75–79: 75–79: 129 males; 75–79: 149 females
  • 70–74: 70–74: 201 males; 70–74: 200 females
  • 65–69: 65–69: 227 males; 65–69: 244 females
  • 60–64: 60–64: 184 males; 60–64: 225 females
  • 55–59: 55–59: 215 males; 55–59: 213 females
  • 50–54: 50–54: 245 males; 50–54: 247 females
  • 45–49: 45–49: 236 males; 45–49: 258 females
  • 40–44: 40–44: 250 males; 40–44: 234 females
  • 35–39: 35–39: 264 males; 35–39: 259 females
  • 30–34: 30–34: 246 males; 30–34: 272 females
  • 25–29: 25–29: 235 males; 25–29: 229 females
  • 20–24: 20–24: 201 males; 20–24: 182 females
  • 15–19: 15–19: 237 males; 15–19: 217 females
  • 10–14: 10–14: 246 males; 10–14: 210 females
  • 5–9: 5–9: 233 males; 5–9: 234 females
  • 0–4: 0–4: 216 males; 0–4: 214 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for 5126, SA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 5126, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5126/5126-sa/topic/demographics-identity